Index: uspace/srv/bd/file_bd/file_bd.c
===================================================================
--- uspace/srv/bd/file_bd/file_bd.c	(revision ffa2c8ef45390c01f3f4be4827bcd41c32f7951c)
+++ uspace/srv/bd/file_bd/file_bd.c	(revision 47b70062180b321b58ca43746901c748ff7a6b2d)
@@ -177,5 +177,5 @@
 	sysarg_t method;
 	size_t comm_size;
-	int flags;
+	unsigned int flags;
 	int retval;
 	uint64_t ba;